"University of Pennsylvania. Pathological Department," . . "Puerperal Infection 19th Cent." . . "Gynecology 19th Cent." . . "Ludlow Library (Philadelphia)," . . . . "Puerperal Infection." . . . . . . . . "On the nature, signs, and treatment of childbed fevers; in a series of letters addressed to the students of his class"@en . . . . . . . . "On the nature signs, and treatment of childbed fevers in a series of letters addressed to the students of his class"@en . . "On the nature, signs, and treatment of childbed fevers; in a series of letters addressed to his class"@en . "On the nature, signs, and treatment of childbed fevers; in a series of letters addressed to his class" . . . "On the nature, signs, and treatment of childbed fevers : in a series of letters addressed to the students of his class"@en . . .